[5 / 2 / ?] 3MiB, 3840x2160, tmp_6835-DSC_0324344419158.jpg View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Anonymous Fri 05 May 2017 14:52:38 No.309944 View ViewReplyOriginalReport Quoted By: >>309959 Hello, heard about your forum from my school teacher. Can anyone help me to solve the series number two. What I got is 2n-1/(n(n+1)(n+2)), and the wrong sum - 4n/(n+1)(n+2)(n+3).
